Dockerfile Validator

Overview

This skill validates Dockerfiles using a single self-contained script (dockerfile-validate.sh) that handles everything: tool installation, validation, and cleanup.

Key Features:

• ✅ Single script execution - no dependencies on other scripts
• ✅ Auto-installs hadolint and Checkov in Python venvs if not found
• ✅ Runs all 4 validation stages (syntax, security, best practices, optimization)
• ✅ Auto-cleanup on exit using bash trap (success or failure)
• ✅ Zero configuration required

Quick Start

Single command to validate any Dockerfile: